Approximate estimation of operational variables in fully thermally coupled distillation columns using pseudo-pinch points

被引：3

作者：

Lee, Moon Yong ^{[2
]}

Choi, Dae Woong ^{[3
]}

Kim, Young Han ^{[1
]}

机构：

[1] Dong A Univ, Dept Chem Engn, Pusan 604714, South Korea

[2] Yeungnam Univ, Sch Chem Engn & Technol, Gyongsan 712749, South Korea

[3] Dong Eui Univ, Dept Chem Engn, Pusan 617714, South Korea

来源：

KOREAN JOURNAL OF CHEMICAL ENGINEERING | 2009年 / 26卷 / 03期

关键词：

Distillation Column Design; Thermally Coupled Distillation; Pseudo-pinch Point; Operational Variable Estimation; Multi-component Distillation; STRUCTURAL DESIGN; OPTIMIZATION; SYSTEM;

D O I：

10.1007/s11814-009-0105-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An approximate procedure for the estimation of operational variables in fully thermally coupled distillation columns (FTCDCs) using two pseudo-pinch points of the feed and side draw trays is proposed, and its performance is examined with two example processes. The estimates from the proposed procedure show some 20% error compared with the results of rigorous simulation using commercial design software, the HYSYS. In addition, the relation between vapor flow rate and composition at one stage above the feed tray-required in the estimation of operational variables of the FTCDC-is analyzed to give information for the selection of the feed tray composition. A preliminary evaluation of operational variables helps to screen unrealizable design obtained often from iterative trial procedures employing the mathematical programming.

引用

页码：631 / 635

页数：5

共 27 条

[1] Approximate estimation of operational variables in fully thermally coupled distillation columns using pseudo-pinch points
Moon Yong Lee
Dae Woong Choi
Young Han Kim
Korean Journal of Chemical Engineering, 2009, 26 : 631 - 635
[2] Approximate design of fully thermally coupled distillation columns
Young Han Kim
Masaru Nakaiwa
Kyu Suk Hwang
Korean Journal of Chemical Engineering, 2002, 19 : 383 - 390
[3] Approximate design of fully thermally coupled distillation columns
Kim, YH
Nakaiwa, M
Hwang, KS
KOREAN JOURNAL OF CHEMICAL ENGINEERING, 2002, 19 (03) : 383 - 390
[4] Operational optimization of ideal internal thermally coupled distillation columns
Liu, Xing-Gao
Qian, Ji-Xin
Developments in Chemical Engineering and Mineral Processing, 2001, 9 (1-2): : 133 - 142
[5] Structural design of extended fully thermally coupled distillation columns
Kim, YH
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2001, 40 (11) : 2460 - 2466
[6] More operable arrangements of fully thermally coupled distillation columns
Agrawal, R
Fidkowski, ZT
AICHE JOURNAL, 1998, 44 (11) : 2565 - 2568
[7] New design procedure for fully thermally coupled distillation columns
Kim, YH
Kim, SY
FRONTIERS ON SEPARATION SCIENCE AND TECHNOLOGY, 2004, : 202 - 205
[8] THE DESIGN AND OPTIMIZATION OF FULLY THERMALLY COUPLED DISTILLATION-COLUMNS
TRIANTAFYLLOU, C
SMITH, R
CHEMICAL ENGINEERING RESEARCH & DESIGN, 1992, 70 (02): : 118 - 132
[9] Rigorous design of extended fully thermally coupled distillation columns
Kim, YH
CHEMICAL ENGINEERING JOURNAL, 2002, 89 (1-3) : 89 - 99
[10] Structural design of fully thermally coupled distillation column using approximate group methods
Uwitonze, Hosanna
Han, Sangil
Kim, Sungkwon
Hwang, Kyu Suk
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION, 2014, 85 : 155 - 167

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